<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2011 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: StringValuePropertyDef.html 966 2015-01-28 18:06:10Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.stuff.vaadin7;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>/**<a name="line.10"></a>
<span class="sourceLineNo">011</span> * A {@link PropertyDef} representing the {@link String} value of an object using {@link Object#toString Object#toString()}.<a name="line.11"></a>
<span class="sourceLineNo">012</span> *<a name="line.12"></a>
<span class="sourceLineNo">013</span> * &lt;p&gt;<a name="line.13"></a>
<span class="sourceLineNo">014</span> * Instances also serve as a {@link SortingPropertyExtractor} that can actually extract the property from any object.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * &lt;/p&gt;<a name="line.15"></a>
<span class="sourceLineNo">016</span> */<a name="line.16"></a>
<span class="sourceLineNo">017</span>public class StringValuePropertyDef extends PropertyDef&lt;String&gt; implements SortingPropertyExtractor&lt;Object&gt; {<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>    /**<a name="line.19"></a>
<span class="sourceLineNo">020</span>     * Constructor.<a name="line.20"></a>
<span class="sourceLineNo">021</span>     *<a name="line.21"></a>
<span class="sourceLineNo">022</span>     * @param name property name; also serves as the property ID<a name="line.22"></a>
<span class="sourceLineNo">023</span>     */<a name="line.23"></a>
<span class="sourceLineNo">024</span>    public StringValuePropertyDef(String name) {<a name="line.24"></a>
<span class="sourceLineNo">025</span>        super(name, String.class, null);<a name="line.25"></a>
<span class="sourceLineNo">026</span>    }<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>// PropertyExtractor<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>    @Override<a name="line.30"></a>
<span class="sourceLineNo">031</span>    @SuppressWarnings("unchecked")<a name="line.31"></a>
<span class="sourceLineNo">032</span>    public &lt;V&gt; V getPropertyValue(Object obj, PropertyDef&lt;V&gt; propertyDef) {<a name="line.32"></a>
<span class="sourceLineNo">033</span>        if (!(propertyDef instanceof StringValuePropertyDef))<a name="line.33"></a>
<span class="sourceLineNo">034</span>            throw new IllegalArgumentException("unknown property " + propertyDef);<a name="line.34"></a>
<span class="sourceLineNo">035</span>        return (V)obj.toString();<a name="line.35"></a>
<span class="sourceLineNo">036</span>    }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>// SortingPropertyExtractor<a name="line.38"></a>
<span class="sourceLineNo">039</span><a name="line.39"></a>
<span class="sourceLineNo">040</span>    @Override<a name="line.40"></a>
<span class="sourceLineNo">041</span>    public boolean canSort(PropertyDef&lt;?&gt; propertyDef) {<a name="line.41"></a>
<span class="sourceLineNo">042</span>        return propertyDef instanceof StringValuePropertyDef;<a name="line.42"></a>
<span class="sourceLineNo">043</span>    }<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span>    @Override<a name="line.45"></a>
<span class="sourceLineNo">046</span>    public int sort(PropertyDef&lt;?&gt; propertyDef, Object obj1, Object obj2) {<a name="line.46"></a>
<span class="sourceLineNo">047</span>        if (!(propertyDef instanceof StringValuePropertyDef))<a name="line.47"></a>
<span class="sourceLineNo">048</span>            throw new UnsupportedOperationException("unknown property " + propertyDef);<a name="line.48"></a>
<span class="sourceLineNo">049</span>        return obj1.toString().compareTo(obj2.toString());<a name="line.49"></a>
<span class="sourceLineNo">050</span>    }<a name="line.50"></a>
<span class="sourceLineNo">051</span>}<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>




























































</pre>
</div>
</body>
</html>
